PDFS - CIK 0001120914
PDF SOLUTIONS INC has filed 1,439 documents with the SEC between 2000 and 2026. The most frequent type is insider trade (762 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Employee stock plan | S-8 | 2019-08-07 | - |
| Quarterly report | 10-Q | 2019-08-06 | 2019-06-30 |
| Insider trade | 4 | 2019-08-02 | 2019-08-01 |
| Insider trade | 4 | 2019-08-02 | 2019-08-01 |
| New insider ownership | 3 | 2019-08-01 | 2019-08-01 |
| Major company event | 8-K | 2019-08-01 | 2019-08-01 |
| Major company event | 8-K | 2019-07-31 | 2019-07-30 |
| Insider trade | 4 | 2019-07-03 | 2019-07-01 |
| Insider trade | 4 | 2019-07-03 | 2019-07-01 |
| Insider trade | 4 | 2019-07-03 | 2019-07-01 |
| Insider trade | 4 | 2019-07-03 | 2019-07-01 |
| Insider trade | 4 | 2019-07-03 | 2019-07-01 |
| Insider trade | 4 | 2019-07-03 | 2019-07-01 |
| Insider trade | 4 | 2019-06-14 | 2019-06-13 |
| New insider ownership | 3 | 2019-06-10 | 2019-06-03 |
| Insider trade | 4 | 2019-06-04 | 2019-06-01 |
| Major company event | 8-K | 2019-06-04 | 2019-06-03 |
| Major company event | 8-K | 2019-05-31 | 2019-05-28 |
| SD | - | 2019-05-24 | - |
| Proxy materials | DEFA14A | 2019-05-23 | - |
| Quarterly report | 10-Q | 2019-05-07 | 2019-03-31 |
| Major company event | 8-K | 2019-05-01 | 2019-04-26 |
| Proxy statement | DEF 14A | 2019-04-30 | 2019-05-28 |
| Activist ownership stake (update) | SC 13D/A | 2019-04-19 | - |
| Annual report | 10-K | 2019-03-08 | 2018-12-31 |
| Major company event | 8-K | 2019-02-14 | 2019-02-14 |
| Passive ownership stake (update) | SC 13G/A | 2019-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2019-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2019-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2019-02-13 | - |
| Passive ownership stake | SC 13G | 2019-02-11 | - |
| Passive ownership stake | SC 13G | 2019-02-08 | - |
| SEC correspondence | UPLOAD | 2019-02-08 | - |
| Passive ownership stake (update) | SC 13G/A | 2019-01-31 | - |
| Major company event | 8-K | 2019-01-28 | 2019-01-28 |
| Passive ownership stake | SC 13G | 2019-01-18 | - |
| Company correspondence | CORRESP | 2018-12-21 | - |
| SEC correspondence | UPLOAD | 2018-12-10 | - |
| Insider trade | 4 | 2018-12-04 | 2018-12-01 |
| Activist ownership stake (update) | SC 13D/A | 2018-12-03 | - |
| Activist ownership stake | SC 13D | 2018-11-20 | - |
| Quarterly report | 10-Q | 2018-11-09 | 2018-09-30 |
| Major company event | 8-K | 2018-11-08 | 2018-11-08 |
| Insider trade | 4 | 2018-11-02 | 2018-11-01 |
| Insider trade | 4 | 2018-11-02 | 2018-11-01 |
| Insider trade | 4 | 2018-11-02 | 2018-11-02 |
| Major company event | 8-K | 2018-10-29 | 2018-10-26 |
| Major company event | 8-K | 2018-10-24 | 2018-09-27 |
| Major company event | 8-K | 2018-09-18 | 2018-09-13 |
| New insider ownership | 3 | 2018-09-04 | 2018-08-25 |